I miss my Logitech Marble FX. They never brought it into the wireless world. It's still available used or even new if you want to spend a lot.
Huh, that's an interesting layout. You can roll it w/thumb or fingers?· ronin
Closest option is Logitech MX ERGO http://www.logitech.com/en-us/product/mx-ergo-wireless-trackball-mouse· emintolga ☀️ 1
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